Display screen or portion thereof with icon



FIG. 1 is a front view of a display screen or portion thereof with icon showing our new design; and,

FIG. 2 is a front view of a second embodiment.

The dot dash lines in the figures illustrate the display screen or portion thereof, and define the boundary of the claimed design. The dot-dash lines form no part of the claimed design. 

CLAIM We claim the ornamental design for a display screen or portion thereof with icon, as shown and described. 